API

Key balance and usage

Check how much of a key's budget is used and how much remains.

Request

curl https://api.llm-hub.dev/v1/key/info \
  -H "Authorization: Bearer $LLMHUB_API_KEY"
Response
{
  "object": "key.balance",
  "key": "sk-...",
  "budgetUsd": 25,
  "usedUsd": 0.77,
  "remainingUsd": 24.23,
  "budgetDuration": "lifetime",
  "models": ["gpt-5.6-sol", "..."]
}

GET /v1/key/balance returns the same data. Per-request token usage is in the usage field of every response.

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